PatchTheCVECVE-2026-85454: MOOS core-moos through 10.4.0 contains a buffer overflow vulnerability in CMOOSSerialPort::GetTelegram() that
CVE-2026-85454 is a medium-severity flaw (CVSS 6.1) affecting core-moos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
MOOS core-moos through 10.4.0 contains a buffer overflow vulnerability in CMOOSSerialPort::GetTelegram() that writes a NUL terminator one byte past the serial telegram stack buffer. Attackers controlling the serial line can send a full-length telegram to trigger the off-by-one write, corrupting the stack and potentially enabling code execution.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Physical |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 75%) |
| CISA exploited list | No |
| Weakness | CWE-193 |
| Published | 2026-09-03 |
| Last modified | 2026-10-14 |
Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-85454?
core-moos: upgrade to 10.4.0. Exact commands for each OS are on this page.
Is CVE-2026-85454 being exploited?
CVE-2026-85454 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-85454 affect?
CVE-2026-85454 affects core-moos. Severity is medium (CVSS 6.1). MOOS core-moos through 10.4.0 contains a buffer overflow vulnerability in CMOOSSerialPort::GetTelegram() that writes a NUL terminator one byte past the serial telegram stack buffer. Attackers controlling the serial line can send a full-leng
How urgent is CVE-2026-85454?
Priority 28/100. No elevated risk signals yet.
Software pages
Related CVEs
- CVE-2026-85455 HIGH 8.2 UPGRADE MOOS core-moos through 10.4.0 contains a buffer over-read vulnerability in CMOOSCommPkt where a four-byte pack
- CVE-2026-85453 MEDIUM 6.1 UPGRADE MOOS core-moos through 10.4.0 fails to escape database contents when rendering MOOSDB HTTP pages, allowing att
- CVE-2026-85451 HIGH 7.1 UPGRADE MOOS core-moos through 10.4.0 contains a remote process termination vulnerability in the SuicidalSleeper compo
- CVE-2026-85450 HIGH 7.5 UPGRADE MOOS core-moos through 10.4.0 contains a denial of service vulnerability in the MOOSDB HTTP server that create
- CVE-2026-85443 HIGH 7.5 UPGRADE MOOS core-moos through 10.4.0 contains a denial of service vulnerability in MOOSCommServer::ListenLoop() where